REDHAT-BUG-1649414: Null Pointer Dereference
First published: Tue Nov 13 2018(Updated: )
In libwpd 0.10.2, there is a NULL pointer dereference in the function WP6ContentListener::defineTable in WP6ContentListener.cpp that will lead to a denial of service attack. This is related to WPXTable.h. References: <a class="bz_bug_link bz_status_CLOSED bz_closed bz_public " title="CLOSED DUPLICATE - [fix available] There is a illegal address access at function WP6ContentListener::defineTable in software libwpd." href="show_bug.cgi?id=1643752">https://bugzilla.redhat.com/show_bug.cgi?id=1643752</a> <a href="http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-19208">http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-19208</a>
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Libwpd |
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Reference Links
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1643752
- http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2018-19208
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1649415
- https://access.redhat.com/support/policy/updates/errata/
- https://access.redhat.com/errata/RHSA-2019:2126
- https://access.redhat.com/security/cve/cve-2018-19208
- https://bugzilla.redhat.com/show_bug.cgi?id=1649414
Frequently Asked Questions
What is the severity of REDHAT-BUG-1649414?
The severity of REDHAT-BUG-1649414 is classified as high due to the denial of service vulnerability.
How does REDHAT-BUG-1649414 exploit work?
REDHAT-BUG-1649414 exploits a NULL pointer dereference within the WP6ContentListener::defineTable function.
Which versions of libwpd are affected by REDHAT-BUG-1649414?
The vulnerability REDHAT-BUG-1649414 affects libwpd version 0.10.2.
How can I mitigate the risk of REDHAT-BUG-1649414?
To mitigate the risk of REDHAT-BUG-1649414, it is recommended to upgrade to a patched version of libwpd.
What type of attack can be executed due to REDHAT-BUG-1649414?
REDHAT-BUG-1649414 can lead to a denial of service attack, causing the application to crash.
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